Plant culture system



FIG. 1 is a perspective view of a plant culture system showing my newdesign;

FIG. 2 is left side elevation view thereof, the right side elevationview being a mirror image thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

The ornamental design for a plant culture system, as shown anddescribed.